YOU SAID:
i am so extremely tired but i have to do homework
INTO JAPANESE
私はとても疲れているが、私は宿題をしなければならない
BACK INTO ENGLISH
I have to do my homework.
INTO JAPANESE
今は、宿題をしないといけない。
BACK INTO ENGLISH
I have to do my homework.
That didn't even make that much sense in English.